30200891 has 8 divisors (see below), whose sum is σ = 36545760. Its totient is φ = 24363648.

The previous prime is 30200881. The next prime is 30200923. The reversal of 30200891 is 19800203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30200891 - 2⁶ = 30200827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30200801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126776 + ... + 127013.

It is an arithmetic number, because the mean of its divisors is an integer number (4568220).

Almost surely, 2^30200891 is an apocalyptic number.

30200891 is a deficient number, since it is larger than the sum of its proper divisors (6344869).

30200891 is a wasteful number, since it uses less digits than its factorization.

30200891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253813.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 30200891 is about 5495.5337320410. The cubic root of 30200891 is about 311.4152804637.

The spelling of 30200891 in words is "thirty million, two hundred thousand, eight hundred ninety-one".